Home / 179,827.32-269,791.56-78,634.28

Finding the Fourth Proportional to 179,827.32, 269,791.56 and 78,634.28

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Solution

The fourth proportional to 179,827.32, 269,791.56 and 78,634.28 is: 117,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,827.32 : 269,791.56 = 78,634.28 : x
  2. Step 2: Convert to fraction form
    179,827.32/269,791.56 = 78,634.28/x
  3. Step 3: Cross multiply
    179,827.32x = 269,791.56 × 78,634.28
  4. Step 4: Simplify right side
    179,827.32x = 21,214,863,525.13
  5. Step 5: Solve for x
    x = 21,214,863,525.13/179,827.32
  6. Step 6: Final answer
    x = 117,973.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.